63966722 has 8 divisors (see below), whose sum is σ = 95993856. Its totient is φ = 31968772.

The previous prime is 63966659. The next prime is 63966731. The reversal of 63966722 is 22766936.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 63966722.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578 + ... + 11325.

It is an arithmetic number, because the mean of its divisors is an integer number (11999232).

Almost surely, 2^63966722 is an apocalyptic number.

63966722 is a deficient number, since it is larger than the sum of its proper divisors (32027134).

63966722 is a wasteful number, since it uses less digits than its factorization.

63966722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14592.

The product of its digits is 163296, while the sum is 41.

The square root of 63966722 is about 7997.9198545622. The cubic root of 63966722 is about 399.9306588135.

The spelling of 63966722 in words is "sixty-three million, nine hundred sixty-six thousand, seven hundred twenty-two".